#657DCB#657DCB

#657DCB is a mid, vivid blue. Relative luminance 0.217; OKLCH L 60.6% C 0.122 H 269.6°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#657DCB
RGB	rgb(101, 125, 203)
HSL	hsl(226, 50%, 60%)
HSV	hsv(226, 50%, 80%)
CMYK	cmyk(50.2%, 38.4%, 0%, 20.4%)
CIE-LAB	lab(53.75, 13.05, -43.20)
CIE-LCH	lch(53.75, 45.13, 286.81°)
OKLab	oklab(60.6% -0.0009 -0.1221)
OKLCH	oklch(60.6% 0.122 269.6)
XYZ	xyz(23.4764, 21.7442, 59.4483)
Luminance	0.2175 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657DCB #CBB365

analogous

#65B0CB #657DCB #8065CB

triadic

#657DCB #CB657D #7DCB65

tetradic

#657DCB #CB65B0 #CBB365 #65CB80

square

#657DCB #CB65B0 #CBB365 #65CB80

split-complementary

#657DCB #CB8065 #B0CB65

monochromatic

#2E4388 #3D5AB6 #657DCB #93A4DA #C1CAEA

Accessibility & contrast

On white

3.93

#657DCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#657DCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657DCB

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657DCB	#FFFFFF	#000000	##000000
##657DCB	1.00	3.93	5.35	5.35
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F85CE

Deuteranopia (green-blind)

#547CC9

Tritanopia (blue-blind)

#398E9A

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #657dcb;
/* rgb */ color: rgb(101, 125, 203);
/* oklch */ color: oklch(60.6% 0.122 269.6);

Tailwind

colors: {
  custom: {
    50: '#97a2db',
    500: '#657dcb',
    950: '#000000',
  },
}

SCSS

$custom: #657dcb;
$custom-light: #97a2db;
$custom-dark: #000000;

JSON

{
  "hex": "#657dcb",
  "rgb": {
    "r": 101,
    "g": 125,
    "b": 203
  },
  "hsl": {
    "h": 225.882,
    "s": 49.515,
    "l": 59.608
  },
  "oklch": {
    "l": 0.60596,
    "c": 0.12211,
    "h": 269.6
  },
  "luminance": 0.21746
}

Semantic roles & 50–950 ramp

primary

#657DCB

secondary

#DAD0B2

accent

#B94FD9

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0F15

muted

#7E7E83

Preview Lab

Preview with #657DCB

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →